– 13 –
SECTION 4
MECHANICAL ADJUSTMENTS
SECTION 5
ELECTRICAL ADJUSTMENTS
1. Clean the following parts with a denatured-alcohol-moistened
swab:
playback head
pinch roller
rubber belt
capstan
idlers
2. Demagnetize the playback head with a head demagnetizer.
3. Do not use a magnetized screwdriver for the adjustments.
4. After the adjustments, apply suitable locking compound to the
parts adjusted.
5. The adjustments should be performed with the power supply
voltage unless otherwise noted.
•
Torque Measurement
Mode
Tension Meter
Meter Reading
Forward
CQ-403A
more than 90 g
(more than 3.18 oz)
Reverse
CQ-403R
more than 90 g
(more than 3.18 oz)
•
Tape Tension Measurement
Mode
Torque Meter
Meter Reading
Forward
CQ-102C
30 - 65 g•cm
(0.42 - 0.90 oz•inch)
Forward
CQ-102C
0.5 - 4.5 g•cm
Back Tension
(0.01 - 0.06 oz•inch)
Reverse
CQ-102RC
30 - 65 g•cm
(0.42 - 0.90 oz•inch)
Reverse
CQ-102RC
0.5 - 4.5 g•cm
Back Tension
(0.01 - 0.06 oz•inch)
FF, REW
CQ-201B
60 - 200 g•cm
(0.83 - 2.78 oz•inch)
TEST MODE
This set have the test mode function. In the test mode, FM Auto
Scan/Stop Level and MW Auto Scan/Stop Level adjustments can
be performed easier than it in ordinary procedure.
<Set the Test Mode>
1. Set the “power select” switch (S501) is “A (ON)” position.
2. Turn ON the regulated power supply. (All LEDs on the set
lights up, and the clock is displayed.)
Note:
Press the
[OFF]
button, if the clock is not displayed.
3. Push the preset
[4]
button.
4. Push the preset
[5]
button.
5. Press the preset
[1]
button for more than two seconds.
6. Then the display indicates all lights, the test mode is set.
<Release the Test mode>
1. Push the
[OFF]
button.
2. Return the “power select” switch (S501) to initially set posi-
tion.
Tape Speed Adjustment
Setting:
Procedure:
1. Put the set into the FWD PB mode.
2. Adjust adjustment resistor for inside capstan motor so that the
reading on the speed checker or frequency counter becomes in
specification.
Specification: Constant speed
Adjustment Location: See page 16.
See the adjustment location from on page 16 for the
adjustment.
0 dB=0.775 V
TAPE DECK SECTION
set
+
–
test tape
WS-48A
(3 kHz, 0 dB)
speaker out terminal
4
Ω
speed checker
or
frequency counter
Speed checker
Frequency counter
–1.5 to +2.5%
2,955 to 3,075 Hz
Содержание XR-C6100
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Страница 12: ... 12 GUIDE C 2 guide C 1 three claws ...
Страница 22: ... 23 24 6 4 SCHEMATIC DIAGRAM MAIN Section 1 2 See page 31 and 32 for IC Block Diagrams XR C6100 ...
Страница 25: ... 29 30 XR C6100 6 7 SCHEMATIC DIAGRAM PANEL Section ...